{"url":"https://etfiq.com/compare/themes/idef-vs-tssd","section":"compare","title":"IDEF vs TSSD: Holdings Overlap & Returns | ETFIQ","description":"40.1% of IDEF and 71.4% of TSSD is already in the S&P 500 by weight, as filed, and 37% of the two books are the same names at the same weight.","as_of":"Nov 4, 2026","structured_data":[{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Do IDEF and TSSD hold the same stocks?","acceptedAnswer":{"@type":"Answer","text":"By their latest filings, 37% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share."}},{"@type":"Question","name":"Which is more different from the S&P 500, IDEF or TSSD?","acceptedAnswer":{"@type":"Answer","text":"IDEF has 40% of its weight in S&P 500 names and TSSD has 71%, so TSSD differs more from the index."}},{"@type":"Question","name":"Which is cheaper, IDEF or TSSD?","acceptedAnswer":{"@type":"Answer","text":"IDEF charges 0.55% a year and TSSD charges 0.65%, so IDEF is cheaper. Fees come from each fund's prospectus."}}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ETFIQ","item":"https://etfiq.com/"},{"@type":"ListItem","position":2,"name":"Thematic ETFs","item":"https://etfiq.com/themes/"},{"@type":"ListItem","position":3,"name":"Compare ETFs","item":"https://etfiq.com/compare/"},{"@type":"ListItem","position":4,"name":"IDEF vs TSSD","item":"https://etfiq.com/compare/themes/idef-vs-tssd"}]},{"@type":"WebPage","name":"IDEF vs TSSD: Holdings Overlap & Returns","description":"40.1% of IDEF and 71.4% of TSSD is already in the S&P 500 by weight, as filed, and 37% of the two books are the same names at the same weight.","url":"https://etfiq.com/compare/themes/idef-vs-tssd","dateModified":"2026-11-04","abstract":"IDEF and TSSD hold 37% of their weight in the same names.","publisher":{"@id":"https://etfiq.com/#org"},"isPartOf":{"@id":"https://etfiq.com/#website"},"speakable":{"@type":"SpeakableSpecification","cssSelector":[".verdict",".faq"]}},{"@type":"Dataset","name":"ETFIQ comparison of IDEF and TSSD","description":"40.1% of IDEF and 71.4% of TSSD is already in the S&P 500 by weight, as filed, and 37% of the two books are the same names at the same weight.","dateModified":"2026-11-04","creator":{"@id":"https://etfiq.com/#org"},"isAccessibleForFree":true,"url":"https://etfiq.com/compare/themes/idef-vs-tssd","license":"https://etfiq.com/license/","publisher":{"@id":"https://etfiq.com/#org"},"inLanguage":"en","creativeWorkStatus":"Published","distribution":[{"@type":"DataDownload","encodingFormat":"application/json","contentUrl":"https://etfiq.com/data/thematic.json"}],"variableMeasured":["Weight overlap with the S&P 500","Active share","Holdings","Top ten share of the fund","Total return","Fee for the differing part","Expense ratio"],"keywords":["exchange-traded funds","ETF","Thematic ETFs","fund data","SEC filings"]}],"characters":6799,"truncated":true,"content":"ETFIQ / Thematic ETFs / Compare ETFs / IDEF vs TSSD \n ETFIQ etfiq.com \u00b7 independent ETF data \n\n Data as of Nov 4, 2026 .\n\n IDEF vs TSSD: Holdings Overlap & Returns\n\n IDEF and TSSD hold 37% of their weight in the same names.\n Copy this for sharing \n \n IDEF costs 0.10 points a year less.\n IDEF and TSSD at a glance. As of Nov 4, 2026. Source: ETFIQ. IDEF TSSD \n Expense ratio 0.55% 0.65% \n Net assets, IDEF as of Nov 4, 2026 and TSSD as of Jun 30, 2026 $3.6bn $7.0m \n Total return, 1 year \u22125.8% not published \n What it tracks Defense Defense \n Holdings in common 37% \n Holdings in common uses holdings","source":"ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.","publisher":{"@id":"https://etfiq.com/#org","name":"ETFIQ","url":"https://etfiq.com"},"license":"https://etfiq.com/license/","license_text":"Data ETFIQ computes is free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.","citation":"ETFIQ, IDEF against TSSD, data as of Nov 4, 2026. https://etfiq.com/compare/themes/idef-vs-tssd","a":{"ticker":"IDEF","name":"iShares Defense Industrials and Tech Active ETF","issuer":"iShares","desk":"themes","as_of":"2026-11-04","verdict":"Over the year to Nov 4, 2026, IDEF lost 5.8%.","url":"https://etfiq.com/funds/idef","key_facts":[{"label":"Already in the S&P 500","value":"40.1%","as_of":"2026-11-03","source":"the issuer\u2019s daily holdings file"},{"label":"Active share vs the S&P 500","value":"92.6%","as_of":"2026-11-03","source":"ETFIQ"},{"label":"Top ten holdings","value":"36.3%","as_of":"2026-11-03","source":"the issuer\u2019s daily holdings file"},{"label":"Total return, 1 year","value":"\u22125.8%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"12-month yield, capital gains included, on its starting price","value":"0.3%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices and distributions"},{"label":"Last payment, ex-date Jun 15, 2026","value":"$0.0542","as_of":"2026-06-15","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$3.6bn","as_of":"2026-11-04","source":"the issuer\u2019s own daily fund list, as of Nov 4, 2026"},{"label":"Expense ratio","value":"0.55%","as_of":"2026-08-28","source":"485BPOS XBRL, Aug 28, 2026"}]},"b":{"ticker":"TSSD","name":"Truth Social American Security & Defense ETF","issuer":"Yorkville","desk":"themes","as_of":"2026-11-04","verdict":"Between Jun 30, 2026 and Oct 16, 2026, TSSD returned 4.4%, against 4.6% for its own holdings.","url":"https://etfiq.com/funds/tssd","key_facts":[{"label":"Already in the S&P 500","value":"71.4%","as_of":"2026-06-30","source":"its SEC filing (Form N-PORT)"},{"label":"Active share vs the S&P 500","value":"97.6%","as_of":"2026-06-30","source":"ETFIQ"},{"label":"Top ten holdings","value":"60.4%","as_of":"2026-06-30","source":"its SEC filing (Form N-PORT)"},{"label":"Total return, since launch","value":"+17.1%","as_of":"2026-11-04","source":"computed by ETFIQ from Tiingo daily prices"},{"label":"Last payment (paid quarterly), ex-date Jun 24, 2026","value":"$0.0072","as_of":"2026-06-24","source":"Tiingo end-of-day distributions"},{"label":"Net assets","value":"$7.0m","as_of":"2026-06-30","source":"SEC filing, whole fund, as filed for Jun 30, 2026"},{"label":"Expense ratio","value":"0.65%","as_of":"2025-12-23","source":"485BPOS XBRL, Dec 23, 2025"}]},"overlap_pct":37,"full_text_at":"https://etfiq.com/compare/themes/idef-vs-tssd"}